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纯JSP分页代码之sqlserver2005/2008

2009-06-02 10:54 393 查看
昨天看到一篇《纯JSP分页代码》的文章,是用于mysql,稍微修改下,用于Sqlserver2005/2008,没有异常处理。没有考虑性能等。

现将代码贴出,以供初学者参考:

注:邀月使用环境Eclipse 3.4.2+Tomcat 6.18+Sqlserver2005 sp3调试成功。

页面pagelistDemo.jsp内容:

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
//连接字符串
String url = "jdbc:sqlserver://" + Globals.Server
+ ";databaseName=" + Globals.DbName;
Class.forName(Globals.driverName).newInstance();
Connection connection = DriverManager.getConnection(url,
Globals.username, Globals.pwd);
Statement statement = connection.createStatement();

//每页显示记录数
int PageSize = 10;
int StartRow = 0; //开始显示记录的编号
int PageNo = 0;//需要显示的页数
int CounterStart = 0;//每页页码的初始值
int CounterEnd = 0;//显示页码的最大值
int RecordCount = 0;//总记录数;
int MaxPage = 0;//总页数
int PrevStart = 0;//前一页
int NextPage = 0;//下一页
int LastRec = 0;
int LastStartRecord = 0;//最后一页开始显示记录的编号

//获取需要显示的页数,由用户提交

//因为显示页码的数量是动态变化的,假如总共有一百页,则不可能同时显示100个链接。而是根据当前的页数显示
//一定数量的页面链接

//设置显示页码的初始值!!

CounterEnd = CounterStart + (PageSize - 1);
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<%@page import="net.data.util.Globals"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@page import="java.sql.Statement"%>
<element>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>分页显示记录</title>
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<%
//获取总记录数
ResultSet rs = statement
.executeQuery("select count(P_ID) from product");
rs.next();
RecordCount = rs.getInt(1);

//取特定页数的数据
String strColumn = " P_ID,P_Name,LoginID,modTime,P_SingleIntro ";
String strTable = " Product ";
String strSort = " p_ID desc ";
String PKID = "P_ID";
String strSql = "";
String strWhere = "";
String START_ID = Integer.toString((PageNo - 1) * PageSize + 1);
String END_ID = Integer.toString(PageNo * PageSize);
strSql = " SELECT " + strColumn
+ " FROM (SELECT ROW_NUMBER() OVER(ORDER BY " + strSort
+ ") AS rownum," + strColumn + " FROM " + strTable
+ " WITH(NOLOCK) " + strWhere
+ ") AS D WHERE rownum BETWEEN " + START_ID + " AND "
+ END_ID + " ORDER BY " + strSort;
rs = statement.executeQuery(strSql);

//获取总页数
MaxPage = RecordCount % PageSize;
%>
<body class="UsePageBg">
<table width="100%" border="0" class="InternalHeader">
<tr>
<td width="24%"><font size=4>分页显示记录</font></td>
<td width="76%"><font size=4><%="总共" + RecordCount + "条记录 - 当前页:" + PageNo + "/"
+ MaxPage%></font></td>
</tr>
</table>

<br>
<table width="100%" border="0" class="NormalTableTwo">
<tr>
<td class="InternalHeader">记录序号</td>
<td class="InternalHeader">数据标识号</td>
<td class="InternalHeader">产品名称</td>
<td class="InternalHeader">作者</td>
<td class="InternalHeader">提交时间</td>
<td class="InternalHeader">简介</td>
</tr>

<%
long i = 1;
%>
</table>
<br>
<table width="100%" border="0" class="InternalHeader">
<tr>
<td>
<div align="center">
<%
out.print("<font size=4>");
//显示第一页或者前一页的链接
//如果当前页不是第1页,则显示第一页和前一页的链接
out.print("[");

//打印需要显示的页码

out.print("]");
;

//同时如果当前页不是最后一页,要显示最后一页的链接
out.print("</font>");
%>
</div>
</td>
</tr>
</table>
<%
rs.close();
statement.close();
connection.close();
%>
</body>
</html>

用到的类文件:Globals.java

package net.data.util;

效果如图:

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